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Network Engineer Jobs in O Fallon, IL (NOW HIRING)

Business Integra

Network Engineer

Saint Louis, MO · On-site

The Network Engineer provides design, implementation, and support for hardware and software with a primary focus on Wireless network implementation. Knowledge of LAN switches, PoE and wireless ...

Abacus Technology

Network Engineer

Belleville, IL

Abacus Technology is seeking a Network Engineer to provide infrastructure support of data networks for an enterprise program at Scott AFB. This is a full-time position. * Provide network analysis and ...

Talentporte

Network Engineer

Edwardsville, IL

$45 - $50/hr

Network Engineer Position: Contract (12 months) conversion or other projects unknown after assignment. Location: Edwardsville, IL. Pay: $45.00 to $50.00 an hour (depending on experience). Hours: 7:30 ...

Abacus Technology

Network Engineer

Belleville, IL · On-site

Overview Abacus Technology is seeking a Network Engineer to provide infrastructure support of data networks for an enterprise program at Scott AFB. This is a full-time position. Responsibilities

C3EL

Network Engineer

Scott Air Force Base, IL

Network Engineer Security Clearance: Top Secret Location : Scott AFB, IL (Due to the nature of the work and contract requirements, U.S. Citizenship is required. ) Description: C3EL is seeking a ...

C3EL

Network Engineer

Scott Air Force Base, IL · On-site

Network Engineer Security Clearance: Top Secret Location : Scott AFB, IL (Due to the nature of the work and contract requirements, U.S. Citizenship is required. ) Description: C3EL is seeking a ...

Abacus Technology

Network Engineer

Belleville, IL · On-site

Overview Abacus Technology is seeking a Network Engineer to provide infrastructure support of data networks for an enterprise program at Scott AFB. This is a full-time position. Responsibilities

caleres

Network Engineer

Saint Louis, MO · On-site

Join our dynamic and thriving footwear company as a Network Engineer in St. Louis, MO where you'll have the opportunity to make an impact and shape the future of our renowned brands. If you have a ...

Caleres

Network Engineer

Clayton, MO · On-site

Join our dynamic and thriving footwear company as a Network Engineer in St. Louis, MO where you'll have the opportunity to make an impact and shape the future of our renowned brands. If you have a ...

GCyber

Senior Network Engineer

Scott Air Force Base, IL · On-site

$100K - $137K/yr

GCyber is hiring a Senior Network Engineer to serve as the program's network design authority for a high-profile Air Force network program supporting a critical mission. The Senior Network Engineer ...

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All JobsNetwork Engineer JobsNetwork Engineer Jobs in O'Fallon, IL

Network Engineer information

See O Fallon, IL salary details

$28.9K

$101.7K

$147.4K

How much do network engineer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for network engineer in O'Fallon, IL is $101,713.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,000.00 and $124,500.00 per year, depending on experience, location, and employer.

What does a network engineer do?

A Network Engineer is responsible for designing, implementing, and maintaining the computer networks that support in-house voice, data, video, and wireless network services. They ensure network reliability and performance, troubleshoot issues, and optimize network security. Network Engineers work with hardware and software, coordinate with other IT professionals, and often manage upgrades or expansions to meet an organization's needs.

What are the key skills and qualifications needed to thrive as a network engineer, and why are they important?

To thrive as a Network Engineer, you need a solid understanding of network protocols, routing and switching, and typically hold a degree in computer science or a related field. Familiarity with tools like Cisco IOS, network monitoring software, and certifications such as CCNA or CCNP are highly valued. Strong problem-solving skills, effective communication, and the ability to work well under pressure set top performers apart. These skills ensure the reliable design, implementation, and maintenance of network infrastructure, which is critical for organizational connectivity and security.

What does a network engineer do?

Network Engineers support and optimize all processes for maintaining a company’s computer network, selecting and deploying software and hardware and making local area networks (LANs) and wide area networks (WANs) accessible, and making sure that company personnel can securely access the internet to complete work. Network Engineers also analyze network performance, configure network features based on client needs, and develop guidelines for acceptable network use.

What is the difference between Network Engineer vs Network Administrator?

AspectNetwork EngineerNetwork Administrator
CertificationsCCNA, CCNP, CompTIA Network+CCNA, CompTIA Network+
Work EnvironmentDesigning, implementing, and troubleshooting network infrastructureManaging and maintaining existing network systems
ResponsibilitiesNetwork design, configuration, and optimizationMonitoring, maintaining, and supporting network operations
Industry UsageIT, telecommunications, large enterprisesCorporate, small to medium businesses, educational institutions

While both roles involve working with networks, Network Engineers focus on designing and building network systems, whereas Network Administrators manage and support existing networks. Understanding these differences helps organizations assign the right responsibilities and professionals for their network needs.

What are some common challenges network engineers face when managing large-scale enterprise networks?

Network Engineers working with large-scale enterprise networks often encounter challenges such as ensuring network security across multiple locations, minimizing downtime during upgrades or maintenance, and troubleshooting complex connectivity issues. They may also need to balance high availability with performance, manage diverse hardware and software, and coordinate with cross-functional teams like cybersecurity and IT support. Staying updated with rapidly evolving technologies and addressing scalability concerns are key aspects of the role.
More about Network Engineer jobs
What are the most commonly searched types of Network Engineer jobs in O'Fallon, IL? The most popular types of Network Engineer jobs in O'Fallon, IL are:
What are popular job titles related to Network Engineer jobs in O'Fallon, IL? For Network Engineer jobs in O'Fallon, IL, the most frequently searched job titles are:
What cities near O'Fallon, IL are hiring for Network Engineer jobs? Cities near O'Fallon, IL with the most Network Engineer job openings:
Network Engineer jobs near you
Infographic showing various Network Engineer job openings in O'Fallon, IL as of August 2026, with employment types broken down into 73% Full Time, and 27% Contract. Highlights an 97% In-person, and 3% Remote job distribution, with an average salary of $101,713 per year, or $48.9 per hour.

Network Engineer

Business Integra

Saint Louis, MO • On-site

Contractor

Re-posted 25 days ago

Job description

Company Description
Business Integra (BI) is an award-winning global provider of information technology (IT) services and solutions infused with leading-edge technologies; and has been recognized by Inc. magazine as one of the fastest growing 500 companies across both government and commercial sectors. Located just outside of our Nation's Capital in suburban Maryland - BI provides end-to-end solutions in application development, consulting, and re-engineering across all major technologies. Our solutions and services help build enduring relationships with our clients.
Job Description
The Network Engineer provides design, implementation, and support for hardware and software with a primary focus on Wireless network implementation. Knowledge of LAN switches, PoE and wireless controllers are essential. The Network Engineer will also upgrade routers and switches to support moving from older TDM technology to IP networking.Key responsibilities include:Implement wireless expansion based on site surveys that will be completed by 3rd party vendor;Design, configure, and implement new Cisco LAN and WAN infrastructure required to support the wireless rollout;Provide support of our Cisco TCP/IP network environment;Assist in the development, compliance, and continuous improvement of all aspects of networking infrastructure necessary to ensure the effective, secure , and regulatory compliant operations of Ameren's IT network resources.Key projects include Expansion of wireless coverage based on site surveys; Upgrading bandwidth at locations primarily upgrading from TDM to IP fiber-connected facilities.Education: Bachelor of Science Degree in Computer Science, Management Information Systems, Engineering, or equivalent computer related degree from an accredited college or university. Consideration may be given to candidates with extensive related experience without the academic requirements.Certification/License:Cisco CCNA is required preferably with wireless.
Qualifications
Experience:3+years of CISCO routers, switches, and related equipment, LAN's, WAN's, firewalls, internetworking, data communications, or IP-based wireless networks implementation and support.Must possess excellent communication, problem-solving, organization, and human relations skills with the ability to interact effectively with all levels of employees and outside vendors/contractors. Must also be able to produce exceptional results while working independently or as a team member.
Additional Information
Contact with me on Linkedin: https://www.linkedin.com/in/monucimage
Email:- Monu.kumar@biitservices. com
301-474-9600 *180
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